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- I don't know if I express myself clearly. 我不知道我说清楚没有。
- He professed to know nothing about the matter. 他声称对此事一无所知。
- When it comes to German, I know nothing. 谈到德语，我一窍不通。
- No words can express the grandeur of that parade. 阅兵式那宏伟的场面是无法用语言表达的。
- It is better to express your anger, rather than bottle it up. 生气宁可发泄出来而不要闷在肚内。
- It is difficult to express it in terms of science. 要用科学的字眼来表达它是很困难的。
- I take it you know what a stethoscope is. 我想你知道听诊器是个什么东西。
- The two types of geometry run within the field leads to disunity in all of its expressions known to mankind. 在场中运作的两种类型几何学，导致了人类所知一切表达中的非统一。
- I know where the picturesque old-world village is. 我知道那个风景如画的古老村寨在哪儿。
- People in this town know him as a lunatic. 这个镇上的人们称他为疯子。
- I can express myself in good English. 我可以用很好的英语来表达自己的观点。
- Now I know where to go when I feel homesick. 现在我知道想家的时候该去哪儿了。
- The express train is an hour faster than the local. 快车比慢车快一小时。
- I know all the ins and outs of our school building. 我知道我们教学大楼的一切情况。
- It's an express train for Stockholm. 这是一趟开往斯德哥尔摩的快车。
- And you come from North Dakota! I want to know. 原来你是北达科他州来的！真想不到！
- Try to find your own way to express the idea. 尽量用你自己的语言来表达这个意见。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- I know that as of last week he was still unmarried. 我知道到上星期为止他还没有结婚。
- Kings used to know how to hold down the people. 国王们往往都知道怎样使人们服从他。
